Finding the Fourth Proportional to 17,665.74, 26,485.86 and 8,906.82

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665.74 : 26,485.86 = 8,906.82 : x
2. Step 2: Convert to fraction form
   17,665.74/26,485.86 = 8,906.82/x
3. Step 3: Cross multiply
   17,665.74x = 26,485.86 × 8,906.82
4. Step 4: Simplify right side
   17,665.74x = 235,904,787.57
5. Step 5: Solve for x
   x = 235,904,787.57/17,665.74
6. Step 6: Final answer
   x = 13,353.80